Home / 19,289.42-28,926.79-6,807.12

Finding the Fourth Proportional to 19,289.42, 28,926.79 and 6,807.12

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Solution

The fourth proportional to 19,289.42, 28,926.79 and 6,807.12 is: 10,208.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.42 : 28,926.79 = 6,807.12 : x
  2. Step 2: Convert to fraction form
    19,289.42/28,926.79 = 6,807.12/x
  3. Step 3: Cross multiply
    19,289.42x = 28,926.79 × 6,807.12
  4. Step 4: Simplify right side
    19,289.42x = 196,908,005.25
  5. Step 5: Solve for x
    x = 196,908,005.25/19,289.42
  6. Step 6: Final answer
    x = 10,208.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.